OpenTechnical

OT-2026-000083823

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum fed, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000083823) never changes.

Identity and time

Publication numberOT-2026-000083823 · never reused
Internal UUID01a0ae98-0418-7ac4-86ba-0ea223ce1f50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083823
StatusPUBLIC

Content hashes

Canonical textda98f493fdc472766876cb0525f5c8916deda5696b5fab7185d1ba4f2889b294
Markdown6d21b75981d12b71487befa2b5ad56d8bfcf707f1179504683199d6e0e6bc5e0
PDF
Publication page6632ea1803da07c89368e142a7c81dbe0a3159c3e9e1ba197d3104e441c5f832
Manifestaf6feeeeb67ffe4bb803dff02cdd6b97f2cbba2fd2896494d6c8ce371923d7df

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturedeOWoUmsYXF7kwZx8Ayh7amfuwpPrNonB9Agv/I0KMFpMZtOz1PqigyHhlwEemY8CT8JIHFny9hUE/FDfsHNBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:00:04.987825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083823
observed 6632ea1803da07c89368e142a7c81dbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:04.968858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083823/manifest.json
observed af6feeeeb67ffe4bb803dff02cdd6b97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:04.950504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083823/publication.md
observed 6d21b75981d12b71487befa2b5ad56d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:04.924581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083823/publication.txt
observed da98f493fdc472766876cb0525f5c891...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:28.638338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083823
observed 6632ea1803da07c89368e142a7c81dbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:28.622096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083823/manifest.json
observed af6feeeeb67ffe4bb803dff02cdd6b97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:28.604500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083823/publication.md
observed 6d21b75981d12b71487befa2b5ad56d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:28.587317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083823/publication.txt
observed da98f493fdc472766876cb0525f5c891...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.